An imaging system includes a first light source configured to provide a first light to an object, a second light source configured to provide a second light to said object, a color camera configured to capture an image of the object, a first mirror disposed between the first light source and said object, a second mirror disposed between the second light source and said object, a beam splitter disposed between the color camera and said object, a first filter for the first light source, a second filter for the second light source, and a processor configured to determine at least one of a shape, a deformation, and a strain measurement of said object from the image.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An imaging system, comprising: a first light source configured to provide a first light to an object; a second light source configured to provide a second light to said object; a camera configured to capture an image of said object, the image including the first light and the second light; a first mirror disposed optically between the camera and said object; a second mirror disposed optically between the camera and said object; a beam splitter disposed optically between the camera and said object; a first filter for the first light source; a second filter for the second light source; and an electronic control unit configured to determine at least one of a shape, a deformation, and a strain measurement of said object from the image; wherein the first filter is disposed optically between the first mirror and the beam splitter, and the second filter is disposed optically between the second mirror and the beam splitter.
2. The imaging system of claim 1 , wherein the first light source is configured to provide red light and the second light source is configured to provide blue light.
3. The imaging system of claim 1 , wherein the first light source and the second light source are configured to provide different colors of light.
4. The imaging system of claim 1 , wherein the camera is a single, color camera and the imaging system does not include any other cameras.
5. The imaging system of claim 1 , wherein the first light source is set stronger than the second light source.
6. The imaging system of claim 1 , wherein the image includes a first full view of the object corresponding to the first light and a second full view of the object corresponding to the second light, and the first full view and the second full view each simultaneously occupy more than half of a sensor of the camera.
7. An imaging system, comprising: a first light source configured to provide a first light to an object; a second light source configured to provide a second light to said object; a camera configured to capture an image of said object, the image including the first light and the second light; a first mirror disposed optically between the camera and said object; a second mirror disposed optically between the camera and said object; a beam splitter disposed optically between the camera and said object; a first filter for the first light source; a second filter for the second light source; and an electronic control unit configured to determine at least one of a shape, a deformation, and a strain measurement of said object from the image, wherein the first filter is connected to a first side of the beam splitter, the second filter is connected to a second side of the beam splitter, a light barrier is connected to a third side of the beam splitter, the first side and the third side are disposed in parallel with each other, and the second side is disposed perpendicular to the first side and the third side.
8. The imaging system of claim 7 , wherein the camera is directed toward a fourth side of the beam splitter, and the second side and the fourth side are disposed in parallel with each other.
9. An optical method, the method comprising: providing a first light source and a second light source; providing one camera; providing a first light from the first light source to an object; providing a second light from the second light source to said object; providing a first mirror, a first filter, and a beam splitter in an optical path of the first light between said object and the camera; providing a second mirror, a second filter, and the beam splitter in an optical path of the second light between said object and the camera; obtaining an image of the object via the camera, the image including a reflection of the first light and a reflection of the second light; and determining, with an electronic control unit, at least one of a size, shape, a deformation, and a strain measurement of said object according to the image; wherein the first filter is provided in the optical path of the first light between the first mirror and the beam splitter.
10. The method of claim 9 , wherein the second filter is provided in the optical path of the second light between the second mirror and the beam splitter.
11. The method of claim 9 , wherein the first light source is set stronger than the second light source.
12. The method of claim 9 , wherein an evaluated area of the object is about 1 mm by about 1 mm or smaller.
13. The method of claim 9 , wherein determining the at least one of the shape, the deformation, and the strain measurement of said object includes transforming color components of the image into gray components.
14. The method of claim 13 , wherein determining the at least one of the shape, the deformation, and the strain measurement of said object includes flipping at least one of the color components.
15. The method of claim 9 , wherein the reflection of the first light and the reflection of the second light each simultaneously occupy more than half of a sensor of the camera.
16. An optical method, the method comprising: providing a first light source and a second light source; providing one camera; providing a first light from the first light source to an object; providing a second light from the second light source to said object; providing a first mirror, a first filter, and a beam splitter in an optical path of the first light between said object and the camera; providing a second mirror, a second filter, and the beam splitter in an optical path of the second light between said object and the camera; obtaining an image of the object via the camera, the image including a reflection of the first light and a reflection of the second light; and determining, with an electronic control unit, at least one of a size, shape, a deformation, and a strain measurement of said object according to the image; wherein the beam splitter is a beam splitter cube, the reflection of the first light enters through a first side of the beam splitter, the reflection of the second light passes through a second side of the beam splitter; a light shield is connected to a third side of the beam splitter; and, the reflection of the first light and the reflection of the second light exit the beam splitter via a fourth side of the beam splitter.
17. The method of claim 16 , wherein the first side and the third side are disposed in parallel and the second side and the fourth side are disposed in parallel.
18. An optical method, the method comprising: providing a first light source and a second light source; providing one camera; providing a first light from the first light source to an object; providing a second light from the second light source to said object; providing a first mirror, a first filter, and a beam splitter in an optical path of the first light between said object and the camera; providing a second mirror, a second filter, and the beam splitter in an optical path of the second light between said object and the camera; obtaining an image of the object via the camera, the image including a reflection of the first light and a reflection of the second light; and determining, with an electronic control unit, at least one of a size, shape, a deformation, and a strain measurement of said object according to the image; wherein the first filter is connected to and/or aligned with a first side of the beam splitter, the second filter is connected to and/or aligned with a second side of the beam splitter, a light shield is connected to and/or aligned with a third side of the beam splitter, the camera is aligned with a fourth side of the beam splitter, and the first side and the third side are disposed perpendicular to the second side and the fourth side.
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January 30, 2018
November 17, 2020
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